runme

#!/bin/bash

if [ $# -eq 0 ]; then
    echo "Usage: $0 <getip | getgeo | getweather>"
    exit 1
fi

if [ "$1" = "getip" ]; then
    java -cp .:classes chain_example.IPAddressFinder
elif [ "$1" = "getgeo" ]; then
    latitude_longitude=$(java -cp .:classes:source/json-java.jar chain_example.IPAddressFinder |
    xargs -I {} java -cp .:classes:source/json-java.jar chain_example.GeolocationFetcher {})
    echo "$latitude_longitude"
elif [ "$1" = "getweather" ]; then
    if [ $# -ne 1 ]; then
        echo "Usage: $0 getweather"
        exit 1
    fi
    latitude_longitude=$(java -cp .:classes:source/json-java.jar chain_example.IPAddressFinder |
    xargs -I {} java -cp .:classes:source/json-java.jar chain_example.GeolocationFetcher {})
    echo "$latitude_longitude" | xargs -n 2 java -cp .:classes:source/json-java.jar \
    chain_example.WeatherFetcher
else
    echo "Usage: $0 <getip | getgeo | getweather>"
    exit 1
fi